314781440

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7933}}^1$

素因数の和:7985

約数の個数: 72

約数和(自身を含む): 778420608

約数和(自身を除く): 463639168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7933, 7936, 9920, 15866, 19840, 31732, 39665, 39680, 63464, 79330, 126928, 158660, 245923, 253856, 317320, 491846, 507712, 634640, 983692, 1015424, 1229615, 1269280, 1967384, 2030848, 2459230, 2538560, 3934768, 4918460, 5077120, 7869536, 9836920, 10154240, 15739072, 19673840, 31478144, 39347680, 62956288, 78695360, 157390720, 314781440]

約数ペア:

[(1, 314781440), (2, 157390720), (4, 78695360), (5, 62956288), (8, 39347680), (10, 31478144), (16, 19673840), (20, 15739072), (31, 10154240), (32, 9836920), (40, 7869536), (62, 5077120), (64, 4918460), (80, 3934768), (124, 2538560), (128, 2459230), (155, 2030848), (160, 1967384), (248, 1269280), (256, 1229615), (310, 1015424), (320, 983692), (496, 634640), (620, 507712), (640, 491846), (992, 317320), (1240, 253856), (1280, 245923), (1984, 158660), (2480, 126928), (3968, 79330), (4960, 63464), (7933, 39680), (7936, 39665), (9920, 31732), (15866, 19840)]